Red chili the vegetable commodities with significant economic value. The supply of chili is often constrained, so it is necessary to increase the land. Land suitability evaluation is needed to determine the suitable of land in Mangunan, Bantul for cultivation of red chili. The objective of this study is to identify land characteristics for red chili to facilitate the expansion of cultivation areas. The study was done using a survey method The soil analysis is conducted in accordance with the methodology prescribed by the Indonesian Centre for Land Resources and Agriculture. The results showed that the actual land suitability at altitudes of 0-300 m asl is S3 with a limiting factor being P element. The height of 300-350 m asl is N with limiting factor slope of land. At altitudes of 350-400 and 400-450 m asl is S3 with limiting factors C- organic and P element. After evaluation and improvement efforts, the suitability of potential land at an altitude of 0-300, 350-400 and 400-450 m asl was S2 with improve the addition of organic matter or fertilization P. The altitude of 300-350 m asl was S3 with improve making bench terraces and parallel planting.